B129A FORD – LIN Bus D Signal Invalid

B129A FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B129A FORD Possible Causes

Faulty Driver Side Windshield Wiper Motor,Driver Side Windshield Wiper Motor harness is open or shorted,Driver Side Windshield Wiper Motor circuit poor electrical connection,Faulty Body Control Module (BCM)

B129A FORD Description

The Body Control Module (BCM) monitors the Central Lock Switch Illumination Circuit. The BCM sets the OBDII code when the BCM receives invalid data from the Driver Side Windshield Wiper Motor over the LIN.